| Chalcos | |
| Native Name Lang: | es |
| Settlement Type: | District |
| Mapsize: | frameless |
| Subdivision Type: | Country |
| Subdivision Name: |  Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | Ayacucho |
| Subdivision Type2: | Province |
| Subdivision Name2: | Sucre |
| Parts Type: | Subdivisions |
| Parts Style: | para |
| P1: | 12 populated places |
| Established Title: | Founded |
| Established Date: | April 3, 1928 |
| Seat Type: | Capital |
| Seat: | Chalcos |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Area Total Km2: | 58.43 |
| Elevation M: | 3645 |
| Population Total: | 748 |
| Population As Of: | 2005 census |
| Population Density Km2: | auto |
| Timezone1: | PET |
| Utc Offset1: | -5 |
| Blank Name Sec1: | UBIGEO |
| Blank Info Sec1: | 050903 |
Chalcos is one of 11 districts of the Sucre Province in the Ayacucho region in Peru.
The population of Chalcos is 748 people, 376 men and 372 women.[1]
The people in the district are mainly indigenous citizens of Quechua descent. Quechua is the language which the majority of the population (81.70%) learnt to speak in childhood, 18.16% of the residents started speaking using the Spanish language (2007 Peru Census).[2]
The populated places in the district are:[1]